Rose Room Treasurer is a rare Creature — Ogre Warrior card from New Capenna Commander (NCC), collector number 151. Current market price: $3.45, TCGplayer market prices via Scryfall.
Alliance — Whenever another creature you control enters, create a Treasure token if this is the first or second time this ability has resolved this turn. Otherwise, you may pay {X}. When you do, this creature deals X damage to any target.